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1021230310422 = 23724315007391
BaseRepresentation
bin11101101110001100001…
…00011110010000010110
310121121222021222221100110
432313012010132100112
5113212434424413142
62101051405423450
7133532016261540
oct16670604362026
93547867887313
101021230310422
11364112983393
12145b07b6ab86
13753bc81acba
14375dbcac690
151b87050899c
hexedc611e416

1021230310422 has 16 divisors (see below), whose sum is σ = 2334240709632. Its totient is φ = 291780088680.

The previous prime is 1021230310393. The next prime is 1021230310483. The reversal of 1021230310422 is 2240130321201.

It is a super-2 number, since 2×10212303104222 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12157503654 + ... + 12157503737.

It is an arithmetic number, because the mean of its divisors is an integer number (145890044352).

Almost surely, 21021230310422 is an apocalyptic number.

1021230310422 is an abundant number, since it is smaller than the sum of its proper divisors (1313010399210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021230310422 is a wasteful number, since it uses less digits than its factorization.

1021230310422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24315007403.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1021230310422 its reverse (2240130321201), we get a palindrome (3261360631623).

The spelling of 1021230310422 in words is "one trillion, twenty-one billion, two hundred thirty million, three hundred ten thousand, four hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 24315007391 48630014782 72945022173 145890044346 170205051737 340410103474 510615155211 1021230310422